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2018-12-06dt-bindings: rtc: sun6i-rtc: Add compatible strings for pre-H6 variantsChen-Yu Tsai1-1/+15
While doing Bluetooth enablement for various boards based on various Allwinner SoCs, minor differences in the RTC modules were found. These include a lack of an external clock output (A31), different internal oscillator frequencies (H3/H5/A64/V3/V3s), different regulator voltage settings (H5/H6), and the presence of miscellaneous registers unrelated to the RTC (A64/R40/H5/H6). The datasheet also describes different number of registers for non-volatile storage, though based on actual experiments the actual number is the same across the board. This patch adds a list of all pre-H6 variants, grouped by the internal oscillator's clock rate, regulator settings, and the presence of the external clock output. Combinations are introduced for the variants that have miscellaneous registers. The RTC block in the H6 also handles the 24 MHz DCXO. This will require more device tree binding changes and will be done later. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-12-06dt-bindings: rtc: sun6i-rtc: Rewrite clock outputs as a listChen-Yu Tsai1-4/+6
The clock output section for this binding describes the two outputs in the descriptions for both the #clock-cells and clock-output-names properties. Instead of overlapping information that is hard to read, rewrite the clock outputs as a list of indices and descriptions. The properies can reference this list instead. This will also make it easier to add notes or conditions to the clocks, and also for adding new outputs. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-12-04dt-bindings: rtc: Move trivial RTCs to rtc.txtAlexandre Belloni1-0/+34
Move trivial RTCs to the rtc generic binding documentation as they all also support at least 'start-year'. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Rob Herring <robh@kernel.org>
2018-12-04dt-bindings: rtc: add generic bindingsAlexandre Belloni1-0/+30
Add generic binding documentation for the RTC subsystem. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Rob Herring <robh@kernel.org>
2018-11-22rtc: dt-binding: abx80x: fix resistance scaleBaruch Siach1-1/+1
The abracon,tc-resistor property value is in kOhm. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-08-21Merge tag 'rtc-4.19' of ↵Linus Torvalds2-0/+30
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "It is now possible to add custom sysfs attributes while avoiding a possible race condition. Unused code has been removed resulting in a nice reduction of the code base. And more drivers have been switched to SPDX by their maintainers. Summary: Subsystem: - new helpers to add custom sysfs attributes - struct rtc_task removal along with rtc_irq_[un]register() - rtc_irq_set_state and rtc_irq_set_freq are not exported anymore Drivers: - armada38x: reset after rtc power loss - ds1307: now supports m41t11 - isl1208: now supports isl1219 and tamper detection - pcf2127: internal SRAM support" * tag 'rtc-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits) rtc: ds1307: simplify hwmon config rtc: s5m: Add SPDX license identifier rtc: maxim: Add SPDX license identifiers rtc: isl1219: add device tree documentation rtc: isl1208: set ev-evienb bit from device tree rtc: isl1208: Add "evdet" interrupt source for isl1219 rtc: isl1208: add support for isl1219 with tamper detection rtc: sysfs: facilitate attribute add to rtc device rtc: remove struct rtc_task char: rtc: remove task handling rtc: pcf85063: preserve control register value between stop and start rtc: sh: remove unused variable rtc_dev rtc: unexport rtc_irq_set_* rtc: simplify rtc_irq_set_state/rtc_irq_set_freq rtc: remove irq_task and irq_task_lock rtc: remove rtc_irq_register/rtc_irq_unregister rtc: sh: remove dead code rtc: sa1100: don't set PIE frequency rtc: ds1307: support m41t11 variant rtc: ds1307: fix data pointer to m41t0 ...
2018-08-15rtc: isl1219: add device tree documentationDenis Osterland1-0/+29
The devicetree documentation for the ISL1219 device tree binding is added with a short example. It is not a trivial device, because it supports two interrupt sources. Signed-off-by: Denis Osterland <Denis.Osterland@diehl.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-07-25dt-bindings: remove 'interrupt-parent' from bindingsRob Herring11-16/+0
'interrupt-parent' is often documented as part of define bindings, but it is really outside the scope of a device binding. It's never required in a given node as it is often inherited from a parent node. Or it can be implicit if a parent node is an 'interrupt-controller' node. So remove it from all the binding files. Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2018-07-17rtc: ds1307: support m41t11 variantGiulio Benetti1-0/+1
The m41t11 variant is very similar to the already supported m41t00 and m41t0, but it has also 56 bytes of NVRAM. Add it to driver taking into account NVRAM section. Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-05-22dt-bindings: rtc: update stm32-rtc documentation for stm32mp1 rtcAmelie Delaunay1-7/+20
RTC embedded in stm32mp1 SoC is slightly different from stm32h7 one, it doesn't require to disable backup domain write protection, and rtc_ck parent clock assignment isn't allowed. To sum up, stm32mp1 RTC requires 2 clocks, pclk and rtc_ck, and an RTC alarm interrupt. Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-05-14dt-bindings: rtc-2123: Make the node name genericFabio Estevam1-1/+1
According to Devicetree Specification v0.2 document: "The name of a node should be somewhat generic, reflecting the function of the device and not its precise programming model." Do as suggested in the binding example. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-05-06dt-bindings: rtc: update stm32-rtc documentation for st, syscfg propertyAmelie Delaunay1-4/+6
RTC driver should not be aware of the PWR registers offset and bits position. Furthermore, we can imagine that Disable Backup Protection (DBP) relative register and bit mask could change depending on the SoC. So this patch moves st,syscfg property from single pwrcfg phandle to pwrcfg phandle/offset/mask triplet. Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Acked-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-03-17rtc: isl12026: new driver.David Daney1-0/+28
The ISL12026 is a combination RTC and EEPROM device with I2C interface. The standard RTC driver interface is provided. The EEPROM is accessed via the NVMEM interface. Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-01-12dt-bindings: rtc: add bindings for i.MX53 SRTCPatrick Bruenn1-0/+17
Document the binding for i.MX53 SRTC implemented by rtc-mxc_v2 Signed-off-by: Patrick Bruenn <p.bruenn@beckhoff.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-23Merge tag 'rtc-4.15' of ↵Linus Torvalds4-7/+72
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "There is nothing scary this cycle, mostly driver fixes and updates. The core fix has been in for a while and has been tested on multiple kernel revisions by multiple teams. Core: - Fix setting the alarm to the next expiring timer New drivers: - Mediatek MT7622 RTC - NXP PCF85363 - Spreadtrum SC27xx PMIC RTC Drivers updates: - Use generic nvmem to expose the Non volatile ram for ds1305, ds1511, m48t86 and omap - abx80x: solve possible race condition at probe - armada38x: support trimming the RTC oscillator - at91rm9200: fix reading the alarm value at boot - ds1511: allow waking platform - m41t80: rework square wave output - pcf8523: support trimming the RTC oscillator - pcf8563: fix clock output rate - pl031: make interrupt optional - xgene: fix suspend/resume" * tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits) dt-bindings: rtc: imxdi: Improve the bindings text rtc: sc27xx: Add Spreadtrum SC27xx PMIC RTC driver dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentation rtc: at91rm9200: fix reading alarm value rtc: at91rm9200: stop calculating yday in at91_rtc_readalarm rtc: sysfs: Use time64_t variables to set time/alarm rtc: xgene: mark PM functions as __maybe_unused rtc: xgene: Fix suspend/resume rtc: pcf8563: don't alway enable the alarm rtc: pcf8563: fix output clock rate rtc: rx8010: Fix for incorrect return value rtc: rx8010: Specify correct address for RX8010_RESV31 rtc: rx8010: Remove duplicate define rtc: m41t80: remove unneeded checks from m41t80_sqw_set_rate rtc: m41t80: avoid i2c read in m41t80_sqw_is_prepared rtc: m41t80: avoid i2c read in m41t80_sqw_recalc_rate rtc: m41t80: fix m41t80_sqw_round_rate return value rtc: m41t80: m41t80_sqw_set_rate should return 0 on success rtc: add support for NXP PCF85363 real-time clock rtc: omap: Support scratch registers ...
2017-11-21dt-bindings: rtc: imxdi: Improve the bindings textFabio Estevam1-7/+7
Improve the bindings text by doing the following changes: - Remove the i.MX53 reference, as the RTC on i.MX53 is a different hardware - Add 'clocks' to the list of required properties - Explain that the optional security violation irq is the second entry - Use the real unit address and irq numbers for i.MX25 Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Acked-by: Juergen Borleis <jbe@pengutronix.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-15dt-bindings: rtc: Add Spreadtrum SC27xx RTC documentationBaolin Wang1-0/+27
This patch adds the binding documentation for Spreadtrum SC27xx series RTC device. Signed-off-by: Baolin Wang <baolin.wang@spreadtrum.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-11-10dt-bindings: Remove leading zeros from bindings notationMarco Franchi2-2/+2
Improve the binding example by removing all the leading zeros to fix the following dtc warnings: Warning (unit_address_format): Node /XXX unit name should not have leading 0s Converted using the following command: perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find ./Documentation/devicetree/bindings "*.txt"` Some unnecessary changes were manually fixed. Signed-off-by: Marco Franchi <marco.franchi@nxp.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-11-08rtc: add support for NXP PCF85363 real-time clockEric Nelson1-0/+17
Note that alarms are not currently implemented. 64 bytes of nvmem is supported and exposed in sysfs (# is the instance number, starting with 0): /sys/bus/nvmem/devices/pcf85363-#/nvmem Signed-off-by: Eric Nelson <eric@nelint.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Tested-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-26dt-bindings: rtc: mediatek: add bindings for MediaTek SoC based RTCSean Wang1-0/+21
Add device-tree binding for MediaTek SoC based RTC Cc: devicetree@vger.kernel.org Signed-off-by: Sean Wang <sean.wang@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-10-06dt-bindings: rtc: merge ds1339 in ds1307 documentationAlexandre Belloni2-18/+8
Now that there is documentation for the ds1307 and compatible RTCs, merge the ds1339 documentation in it. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-10-06dt-bindings: rtc: Add bindings for m41t80 and compatiblesAlexandre Belloni1-0/+31
The ST M41T80 family of RTC are not trivial devices, document them. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-10-06dt-bindings: rtc: DS1307 and compatibles are not trivialAlexandre Belloni1-0/+36
Document optional properties for ds1307 and compatible RTCs Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-10-06dt-bindings: rtc: Add sirf,prima2-sysrtc bindingsAlexandre Belloni1-0/+13
Add device tree bindings for the SiRFSoC Real Time Clock. Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-10-06dt-bindings: rtc: add stericsson,coh901331 bindingsAlexandre Belloni1-0/+17
Add device tree bindings for the ST-Ericsson COH 901 331 Real Time Clock Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-09-13Merge tag 'rtc-4.14' of ↵Linus Torvalds4-3/+35
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Subsystem: - remove .open() and .release() RTC ops - constify i2c_device_id New driver: - Realtek RTD1295 - Android emulator (goldfish) RTC Drivers: - ds1307: Beginning of a huge cleanup - s35390a: handle invalid RTC time - sun6i: external oscillator gate support" * tag 'rtc-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (40 commits) rtc: ds1307: use octal permissions rtc: ds1307: fix braces rtc: ds1307: fix alignments and blank lines rtc: ds1307: use BIT rtc: ds1307: use u32 rtc: ds1307: use sizeof rtc: ds1307: remove regs member rtc: Add Realtek RTD1295 dt-bindings: rtc: Add Realtek RTD1295 rtc: sun6i: Add support for the external oscillator gate rtc: goldfish: Add RTC driver for Android emulator dt-bindings: Add device tree binding for Goldfish RTC driver rtc: ds1307: add basic support for ds1341 chip rtc: ds1307: remove member nvram_offset from struct ds1307 rtc: ds1307: factor out offset to struct chip_desc rtc: ds1307: factor out rtc_ops to struct chip_desc rtc: ds1307: factor out irq_handler to struct chip_desc rtc: ds1307: improve irq setup rtc: ds1307: constify struct chip_desc variables rtc: ds1307: improve trickle charger initialization ...
2017-09-05dt-bindings: Remove "status" from examplesRob Herring1-1/+0
Pretty much any node can have a status property, so it doesn't need to be in examples. Converted with the following command and removed examples with SoC and board specific splits: git grep -l -E 'status.*=.*' Documentation/devicetree/ | xargs sed -i -E '/\sstatus.*=.*"(disabled|ok|okay)/d' Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-09-05dt-bindings: rtc: Add Realtek RTD1295Andreas Färber1-0/+16
Add a binding for the RTC on the Realtek RTD119x/RTD129x SoC families. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-09-01rtc: sun6i: Add support for the external oscillator gateMaxime Ripard1-2/+2
The RTC can output its 32kHz clock outside of the SoC, for example to clock a WiFi chip. Create a new clock that other devices will be able to retrieve, while maintaining the DT stability by providing a default name for that clock if clock-output-names doesn't list one. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-09-01dt-bindings: Add device tree binding for Goldfish RTC driverAleksandar Markovic1-0/+17
Add documentation for DT binding of Goldfish RTC driver. The compatible string used by OS for binding the driver is "google,goldfish-rtc". Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-31rtc: ds1307: remove legacy check for "isil, irq2-can-wakeup-machine" propertyHeiner Kallweit1-1/+0
Commit 8b44f5be20fd ("ARM: dts: armada: replace isil,irq2-can-wakeup-machine with wakeup-source property") removed the last usage of "isil,irq2-can-wakeup-machine" almost two years ago. So I think we can get rid of supporting this legacy binding. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-06dt-bindings: rtc: stm32: add support for STM32H7Amelie Delaunay1-5/+27
This patch documents support for STM32H7 Real Time Clock. It introduces a new compatible and rework clock definitions. On STM32H7 we have a 'pclk' clock for register access, in addition to the 'rtc_ck' clock. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-07-06rtc: gemini: Augment DT bindings for FaradayLinus Walleij2-14/+28
The Gemini RTC is actually a standard IP block from Faraday Technology called FTRTC010. Rename the bindings, add the generic compatible string and add definitions for the two available clocks. Cc: devicetree@vger.kernel.org Cc: Po-Yu Chuang <ratbert@faraday-tech.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-06-27dt-bindings: Document the Broadcom STB wake-up timer nodeFlorian Fainelli1-0/+22
Document the binding for the Broadcom STB SoCs wake-up timer node allowing the system to generate alarms and exit low power states. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-04-03dt-bindings: rtc: document the rtc-sh bindingsChris Brandt1-0/+28
Add the binding documentation for rtc-sh which is an RTC for SuperH and RZ/A SoCs. Signed-off-by: Chris Brandt <chris.brandt@renesas.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-03-09rtc: cpcap: new rtc driverSebastian Reichel1-0/+18
This driver supports the Motorola CPCAP PMIC found on some of Motorola's mobile phones, such as the Droid 4. Tested-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Sebastian Reichel <sre@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-02-22rtc: armada38x: Add support for Armada 7K/8KGregory CLEMENT1-3/+5
The Armada 7K/8K use the same RTC IP than the Armada 38x. However the SOC integration differs in 2 points: - MBUS bridge timing initialization - IRQ configuration at SoC level Moreover the Armada 7K/8K have an issue preventing to get the interrupt from alarm 1. This commit allows to use alarm 2 for these A7K/8K but to still use alarm 1 for the Armada 38x. Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-02-12bindings: rtc: correct wrong reference in required propertiesAkinobu Mita2-2/+4
There are currently two broken bindings descriptions for RTC: maxim,ds3231.txt pcf8563.txt They broke because of a improper RST documentation conversion with commit 8c27ceff3604b2 ("docs: fix locations of several documents that got moved") and now reference to a non-existing file: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst However, the original reference to i2c/trivial-devices should have never been made in the first place. This change fixes this issue by replacing with correct descriptions. Reported-by: Wolfram Sang <wsa@the-dreams.de> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: Heiko Schocher <hs@denx.de> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-02-01rtc: sun6i: Expose the 32kHz oscillatorMaxime Ripard1-0/+10
The RTC controls the input source of the main 32kHz oscillator in the system, feeding it to the clock unit too. By default, this is using an internal, very inaccurate (+/- 30%) oscillator with a divider to make it roughly around 32kHz. This is however quite impractical for the RTC, since our time will not be tracked properly. Since this oscillator is an input of the main clock unit, and since that clock unit will be probed using CLK_OF_DECLARE, we have to use it as well, leading to a two stage probe: one to enable the clock, the other one to enable the RTC. There is also a slight change in the binding that is required (and should have been from the beginning), since we'll need a phandle to the external oscillator used on that board. We support the old binding by not allowing to switch to the external oscillator and only using the internal one (which was the previous behaviour) in the case where we're missing that phandle. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-01-24rtc: gemini: Add device tree probingLinus Walleij1-0/+14
This adds bindings and simple probing for the Cortina Systems Gemini SoC RTC. Cc: Janos Laube <janos.dev@gmail.com> Cc: Paulius Zaleckas <paulius.zaleckas@gmail.com> Cc: Hans Ulli Kroll <ulli.kroll@googlemail.com> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-01-13dt-bindings: document the STM32 RTC bindingsAmelie Delaunay1-0/+27
This patch adds documentation of device tree bindings for the STM32 RTC. Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2017-01-11Documentation: dt: rtc-imxdi: security violation interruptMartin Kaiser1-1/+4
Document the DryIce security violation interrupt. Signed-off-by: Martin Kaiser <martin@kaiser.cx> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-12-19Merge tag 'rtc-4.10' of ↵Linus Torvalds3-10/+62
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "Subsystem: - non-modular drivers are now explicitly non-modular New driver: - Epson Toyocom rtc-7301sf/dg Drivers: - cmos: reject unsupported alarm values wrt the RTC capabilities - ds1307: ACPI support - jz4740: DT support, jz4780 handling, can now be used as a system power controller - mcp795: many fixes, in particular proper month handling - twl: driver is now DT only" * tag 'rtc-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (31 commits) rtc: mcp795: Fix whitespace and indentation. rtc: mcp795: Prefer using the BIT() macro. rtc: mcp795: fix month write resetting date to 1. rtc: mcp795: fix time range difference between linux and RTC chip. rtc: mcp795: fix bitmask value for leap year (LP). rtc: mcp795: use bcd2bin/bin2bcd. rtc: add support for EPSON TOYOCOM RTC-7301SF/DG rtc: ds1307: Add ACPI support rtc: imxdi: (trivial) fix a typo rtc: ds1374: Merge conditional + WARN_ON() rtc: twl: make driver DT only rtc: twl: kill static variables rtc: fix typos in Kconfig rtc: jz4740: make the driver builtin only rtc: jz4740: remove unused EXPORT_SYMBOL Documentation: bindings: fix twl-rtc documentation rtc: Enable compile testing for Maxim and Samsung drivers MIPS: jz4740: Remove obsolete code MIPS: qi_lb60: Probe RTC driver from DT and use it as power controller MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree ...
2016-12-19rtc: add support for EPSON TOYOCOM RTC-7301SF/DGAkinobu Mita1-0/+16
This adds support for EPSON TOYOCOM RTC-7301SF/DG which has parallel interface compatible with SRAM. This driver supports basic clock, calendar and alarm functionality. Tested with Microblaze linux running on Artix7 FPGA board with my own custom IP for RTC-7301. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-11-05Documentation: bindings: fix twl-rtc documentationNicolae Rosia1-10/+9
Add interrupts documentation Fix example and formatting Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-11-05Documentation: dt: Add binding info for jz4740-rtc driverPaul Cercueil1-0/+37
This commit adds documentation for the device-tree bindings of the jz4740-rtc driver, which supports the RTC unit present in the JZ4740 and JZ4780 SoCs from Ingenic. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Maarten ter Huurne <maarten@treewalker.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-10-24docs: fix locations of several documents that got movedMauro Carvalho Chehab2-2/+2
The previous patch renamed several files that are cross-referenced along the Kernel documentation. Adjust the links to point to the right places. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-10-12dt/bindings: Add bindings for Micro Crystal rv8803Oleksij Rempel1-0/+22
... and Epson RX8900 real time clock Signed-off-by: Oleksij Rempel <fixed-term.Oleksij.Rempel@de.bosch.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-09-21rtc: omap: Support ext_wakeup configurationMarcin Niestroj1-0/+21
Support configuration of ext_wakeup sources. This patch makes it possible to enable ext_wakeup and set it's polarity, depending on board configuration. AM335x's dedicated PMIC (tps65217) uses ext_wakeup to notify about power-button presses. Handling power-button presses enables to recover from RTC-only power states correctly. Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
2016-08-31rtc: ds1390: Fix the SPI chip select numberFabio Estevam1-1/+1
The number after the '@' symbol should be the SPI chip select number associated with the ds1390 and it should match the 'reg' field. So change it the address to zero, to make it consistent. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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